A wireless device, a network node and respective methods performed thereby for communicating with each other are provided. The method performed by the wireless device comprises determining (120) a first interference level indication of a first frequency resource; and determining (125) a second interference level indication of a second frequency resource. The method (100) further comprises transmitting (130) a first uplink reference signal on the first frequency resource with a first transmission power, and transmitting (135) a second uplink reference signal on the second frequency resource with a second transmission power, wherein the first transmission power is based on the first- and second interference level indications.
Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method performed by a wireless device for communicating with a network node in a wireless communication network, the method comprising: determining a first interference level indication of a first frequency resource; determining a second interference level indication of a second frequency resource, wherein determining the first interference level indication comprises measuring interference for the first downlink reference signal as received at the wireless device and determining the second interference level indication comprises measuring interference for the second downlink reference signal as received at the wireless device; transmitting a first uplink reference signal on the first frequency resource with a first transmission power; and transmitting a second uplink reference signal on the second frequency resource with a second transmission power, wherein the first transmission power deviates from an uplink transmit power level set by the network node, based on the on the first and second interference level indications; wherein the first transmission power deviating from the uplink transmit power level set by the network node comprises: determining the first transmission power according to a first function that specifies a deviation from a transmit power level set by the network for transmission of the first uplink reference signal, in dependence on the presence or amount of interference on the first and second frequency resources, as determined from the measured interference for the first and second downlink reference signals.
A wireless device in a communication network measures interference levels on different frequency resources to optimize uplink reference signal transmission. The device determines interference for a first frequency resource by measuring interference on a first downlink reference signal and for a second frequency resource by measuring interference on a second downlink reference signal. Based on these interference levels, the device adjusts the transmission power of uplink reference signals. The first uplink reference signal is transmitted on the first frequency resource with a power level that deviates from the power level set by the network, calculated using a function that accounts for interference on both frequency resources. This deviation is determined from the measured interference on the downlink reference signals. The second uplink reference signal is transmitted on the second frequency resource with a second transmission power, also influenced by the interference measurements. The method allows the wireless device to dynamically adjust uplink transmission power to mitigate interference, improving communication efficiency in the network.
2. The method according to claim 1 , wherein the second transmission power deviates from an uplink transmit power level set by the network node, based on the first and second interference level indications.
Technical Summary: This invention relates to wireless communication systems, specifically to methods for adjusting transmission power in uplink communications to mitigate interference. The problem addressed is the need to dynamically adapt transmission power levels in response to varying interference conditions, ensuring efficient spectrum utilization while maintaining communication reliability. The method involves a user device receiving first and second interference level indications from a network node, which reflect the interference conditions in the wireless environment. Based on these indications, the device adjusts its uplink transmission power. The second transmission power level deviates from the uplink transmit power level initially set by the network node, allowing for fine-tuned adjustments in response to real-time interference conditions. This deviation is determined by analyzing the first and second interference level indications, enabling the device to optimize its transmission power to reduce interference while maintaining signal quality. The method ensures that the transmission power is dynamically adjusted to balance between minimizing interference and maintaining reliable communication links. By incorporating interference level feedback, the system can adapt to changing environmental conditions, improving overall network performance and spectral efficiency. This approach is particularly useful in dense wireless networks where interference management is critical for maintaining service quality.
3. The method according to claim 1 , wherein the first transmission power is further based on a first radio channel path gain for the first frequency resource and the second transmission power is further based on a second radio channel path gain for the second frequency resource.
This invention relates to wireless communication systems, specifically methods for determining transmission power levels for different frequency resources in a multi-carrier environment. The problem addressed is optimizing power allocation to improve communication efficiency and reliability while mitigating interference in heterogeneous frequency bands. The method involves adjusting transmission power for at least two frequency resources (e.g., subcarriers or frequency bands) based on their respective radio channel path gains. A first transmission power is determined for a first frequency resource, considering its path gain, and a second transmission power is determined for a second frequency resource, considering its path gain. The path gains reflect the signal propagation characteristics between the transmitter and receiver for each frequency resource. By dynamically adjusting power levels according to these gains, the system can enhance signal quality, reduce interference, and improve overall throughput. The method may also incorporate additional factors such as interference levels, quality of service requirements, or regulatory constraints when calculating the transmission powers. This adaptive power control approach is particularly useful in scenarios with varying channel conditions, such as in mobile networks or dense wireless deployments. The technique ensures efficient use of available spectrum while maintaining reliable communication links.
4. The method according to claim 1 , wherein the first interference level indication is determined based on a first downlink reference signal.
This invention relates to wireless communication systems, specifically methods for determining interference levels in downlink transmissions. The problem addressed is accurately assessing interference in wireless networks to improve signal quality and reliability. The method involves determining a first interference level indication based on a first downlink reference signal. The first downlink reference signal is a known signal transmitted by a base station to help user equipment (UE) measure channel conditions. By analyzing this reference signal, the UE can estimate the interference level experienced in the downlink channel. This interference level indication is then used to adjust transmission parameters, such as power, modulation, or coding, to mitigate the effects of interference. The method may also involve determining a second interference level indication based on a second downlink reference signal, allowing for more precise interference assessment in different scenarios. The interference level indications can be used to optimize resource allocation, enhance data throughput, and reduce errors in wireless communications. The invention is particularly useful in dense network deployments where interference management is critical for maintaining performance.
5. The method according to claim 1 , wherein the second interference level indication is determined based on a second downlink reference signal.
A method for wireless communication involves determining interference levels in a network to improve signal quality. The method addresses the problem of interference in wireless networks, which can degrade communication performance. A first interference level indication is determined based on a first downlink reference signal, which helps assess interference conditions in the network. Additionally, a second interference level indication is determined based on a second downlink reference signal, providing further refinement of interference assessment. The second downlink reference signal may be different from the first, allowing for more accurate or diverse interference measurements. This method enables dynamic adjustment of network parameters to mitigate interference, enhancing overall communication reliability and efficiency. The use of multiple reference signals allows for a more comprehensive understanding of interference patterns, supporting better decision-making in network management. The technique is particularly useful in dense wireless environments where interference is a significant challenge.
6. The method according to claim 1 , wherein the first transmission power is equal to or lower than the second transmission power if the first interference level indication indicates a higher interference level than the second interference level indication.
This invention relates to wireless communication systems, specifically methods for adjusting transmission power in response to interference levels. The problem addressed is optimizing power control to reduce interference in wireless networks while maintaining reliable communication. The method involves comparing interference level indications from different sources and dynamically adjusting transmission power based on these comparisons. If a first interference level indication shows higher interference than a second, the transmission power is set to be equal to or lower than the power associated with the second, lower interference level. This ensures that higher interference conditions trigger reduced transmission power, minimizing interference with other devices while maintaining communication quality. The method may also involve determining interference levels from neighboring devices or network nodes and using these measurements to adjust power levels accordingly. By dynamically adapting transmission power based on real-time interference conditions, the system improves overall network efficiency and reduces signal collisions. The approach is particularly useful in dense wireless environments where interference management is critical for performance.
7. The method of claim 1 , further comprising determining the second transmission power according to a second function that specifies a deviation from a transmit power level set by the network for transmission of the second uplink reference signal, in dependence on the presence or amount of interference on one or both the first and second frequency resources, as determined from the measured interference for one or both the first and second downlink reference signals.
This invention relates to wireless communication systems, specifically to methods for adjusting uplink transmission power in response to interference conditions. The problem addressed is optimizing power control for uplink reference signals to improve communication reliability while minimizing interference in shared frequency resources. The method involves transmitting a first uplink reference signal on a first frequency resource and a second uplink reference signal on a second frequency resource. The transmission power for the second uplink reference signal is dynamically adjusted based on interference measurements. A second function determines the deviation from the network-set transmit power level for the second uplink reference signal, considering interference levels on either or both frequency resources. Interference is assessed using measured interference from corresponding downlink reference signals, allowing the system to adapt power levels in real-time to mitigate interference effects. This approach enhances signal quality and system efficiency by dynamically balancing power allocation between frequency resources based on detected interference conditions. The method ensures that uplink transmissions remain robust while avoiding excessive power consumption or interference with other users.
8. The method of claim 1 , wherein the first and second frequency resources are within a same system bandwidth associated with the network node.
This invention relates to wireless communication systems, specifically methods for managing frequency resources in a network node to improve communication efficiency. The problem addressed is the need to optimize the use of frequency resources within a system bandwidth to enhance data transmission performance. The method involves allocating first and second frequency resources within the same system bandwidth associated with the network node. The first frequency resource is used for transmitting data to a first user equipment (UE), while the second frequency resource is used for transmitting data to a second UE. The allocation is based on channel conditions, such as signal quality or interference levels, to ensure efficient use of the available spectrum. The network node may adjust the allocation dynamically to adapt to changing conditions, such as UE mobility or network congestion. Additionally, the method may include coordinating the allocation of these frequency resources with other network nodes to avoid interference and maximize spectral efficiency. The network node may also monitor the performance of the allocated resources and reallocate them if necessary to maintain optimal communication quality. This approach helps in reducing latency, improving throughput, and ensuring reliable data transmission within the system bandwidth.
9. A method performed by a network node for communicating with a wireless device in a wireless communication network, the wireless communication network employing time and frequency multiplexing, the method comprising: receiving, from the wireless device, a first uplink reference signal on a first frequency resource with a first received signal strength; receiving, from the wireless device, a second uplink reference signal on a second frequency resource with a second received signal strength; and scheduling a downlink data transmission to the wireless device on one or more of the first and second frequency resources, based on the first and the second received signal strengths in relation to corresponding expected received signal strengths for the first and second uplink reference signals; wherein scheduling the downlink data transmission to the wireless device on one or more of the first and second frequency resources comprises: inferring the presence or the amount of interference at the wireless device on one or both the first and second frequency resources, based on comparing the first and second received signal strengths to the corresponding expected signal strengths, the corresponding expected signal strengths being based on one or more transmit power levels set by the network node for transmission by the wireless device of the first and second uplink reference signals, and wherein the wireless device is operative to deviate from the one or more set transmit power levels responsive to the presence or the amount of interference on the first and second frequency resources; and controlling a downlink resource allocation for the downlink data transmission in dependence on the inferred presence or amount of interference.
This invention relates to wireless communication networks using time and frequency multiplexing, specifically addressing interference management in downlink data transmissions. The method involves a network node receiving uplink reference signals from a wireless device on two different frequency resources, each with distinct received signal strengths. The network node then schedules downlink data transmissions based on these signal strengths compared to expected values, which are derived from predefined transmit power levels set for the uplink reference signals. The wireless device may adjust its transmit power in response to interference on these frequency resources. By comparing the actual received signal strengths to the expected values, the network node infers the presence or severity of interference at the wireless device. This inference guides downlink resource allocation, optimizing data transmission by avoiding or mitigating interfered frequency resources. The approach improves downlink communication reliability by dynamically adapting to interference conditions detected through uplink reference signal analysis.
10. The method according to claim 9 , wherein the scheduling of the downlink data transmission comprises adapting a beamforming for the downlink data transmission, based on the first and second received signal strengths in relation to the corresponding expected received signal strengths.
This invention relates to wireless communication systems, specifically improving downlink data transmission efficiency by adapting beamforming based on received signal strength measurements. The problem addressed is optimizing downlink transmissions in scenarios where signal quality varies due to environmental factors or device mobility, leading to inefficient resource usage or degraded performance. The method involves scheduling downlink data transmissions by first determining a first received signal strength of a first reference signal transmitted by a first antenna and a second received signal strength of a second reference signal transmitted by a second antenna. These measurements are compared to expected received signal strengths for the respective antennas. Based on this comparison, beamforming parameters for the downlink data transmission are adjusted to enhance signal quality. The beamforming adaptation may involve modifying beam direction, width, or power allocation to prioritize antennas with stronger signal reception or compensate for weaker signals. The method ensures that downlink transmissions are dynamically optimized for signal conditions, improving reliability and throughput. It is particularly useful in multi-antenna systems where beamforming can be fine-tuned to mitigate interference and maximize coverage. The approach leverages real-time signal strength feedback to make data transmission more adaptive and efficient.
11. The method according to claim 9 , wherein the scheduling of the downlink data transmission comprises determining a transmission power for the downlink data transmission, based on the first and second received signal strengths in relation to the corresponding expected received signal strengths.
This invention relates to wireless communication systems, specifically methods for optimizing downlink data transmission scheduling in scenarios where multiple devices share a communication channel. The problem addressed is ensuring efficient and reliable data transmission by dynamically adjusting transmission parameters based on signal strength measurements. The method involves scheduling downlink data transmissions by determining an appropriate transmission power for the data. This determination is based on comparing the first and second received signal strengths of signals from a transmitting device to their corresponding expected received signal strengths. The first and second received signal strengths are measurements of signals received by a receiving device, while the expected received signal strengths are pre-determined or calculated values representing ideal or reference signal levels. By analyzing the relationship between the actual and expected signal strengths, the system can adjust the transmission power to improve signal quality, reduce interference, or enhance overall communication efficiency. This approach helps maintain reliable communication links while optimizing resource usage in shared wireless environments. The method may be part of a broader system for managing wireless transmissions, where signal strength measurements and transmission adjustments are used to dynamically adapt to varying channel conditions.
12. The method according to claim 9 , wherein the scheduling of the downlink data transmission comprises determining a modulation and coding scheme, based on the first and second received signal strengths in relation to the corresponding expected received signal strengths.
This invention relates to wireless communication systems, specifically methods for optimizing downlink data transmission scheduling based on signal strength analysis. The problem addressed is the inefficient use of network resources due to suboptimal modulation and coding schemes (MCS) selection, which can lead to poor data throughput or excessive retransmissions. The method involves receiving signal strength measurements from a user device, including a first received signal strength from a primary transmission and a second received signal strength from a secondary transmission. These measurements are compared to expected signal strengths for the respective transmissions. Based on this comparison, a modulation and coding scheme is determined to optimize downlink data transmission. The selection accounts for variations in signal quality between primary and secondary transmissions, ensuring adaptive adjustments to channel conditions. The method may also involve determining a transmission rank based on the signal strength analysis, which defines the number of spatial layers used in multi-antenna transmission. Additionally, the scheduling may include selecting a transmission mode that supports multiple input multiple output (MIMO) configurations, further enhancing data throughput. The overall approach improves spectral efficiency and reduces latency by dynamically adapting transmission parameters to real-time signal conditions.
13. The method of claim 9 , wherein the first and second frequency resources are within a same system bandwidth associated with the network node.
This invention relates to wireless communication systems, specifically methods for managing frequency resources in a network node to improve communication efficiency. The problem addressed is the need to optimize the use of frequency resources within a given system bandwidth to enhance data transmission performance. The method involves allocating first and second frequency resources within the same system bandwidth associated with the network node. These frequency resources are used for different communication purposes, such as transmitting and receiving data, or supporting different types of communication channels. The allocation ensures that the frequency resources are efficiently utilized without overlapping or interfering with each other, thereby improving spectral efficiency and reducing latency. The network node dynamically assigns these frequency resources based on current network conditions, such as traffic load, interference levels, and user device requirements. By keeping the frequency resources within the same system bandwidth, the method simplifies resource management and reduces the complexity of coordinating multiple frequency bands. This approach is particularly useful in dense network environments where efficient resource allocation is critical for maintaining high-quality communication services. The invention aims to enhance overall network performance by optimizing the use of available frequency resources while minimizing interference and maximizing throughput.
14. A wireless device configured for communicating with a network node in a wireless communication network, the wireless device comprising: communication circuitry configured for communicating with the network node; and processing circuitry operatively associated with the communication circuitry and configured to: determine a first interference level indication of a first frequency resource; determine a second interference level indication of a second frequency resource, wherein determining the first interference level indication comprises measuring interference for the first downlink reference signal as received at the wireless device and determining the second interference level indication comprises measuring interference for the second downlink reference signal as received at the wireless device; transmit a first uplink reference signal on the first frequency resource with a first transmission power; and transmit a second uplink reference signal on the second frequency resource with a second transmission power, wherein the first transmission power deviates from an uplink transmit power level set by the network node, based on the first and second interference level indications; wherein the first transmission power deviating from the uplink transmit power level set by the network node comprises: determining the first transmission power according to a first function that specifies a deviation from a transmit power level set by the network for transmission of the first uplink reference signal, in dependence on the presence or amount of interference on the first and second frequency resources, as determined from the measured interference for the first and second downlink reference signals.
A wireless device is configured to communicate with a network node in a wireless communication network. The device includes communication circuitry for exchanging signals with the network node and processing circuitry that analyzes interference levels on different frequency resources. The processing circuitry measures interference for downlink reference signals received on a first and second frequency resource to determine respective interference level indications. Based on these measurements, the device adjusts the transmission power of uplink reference signals on these frequency resources. The first uplink reference signal is transmitted with a power level that deviates from the power level set by the network node, determined by a function that accounts for interference levels on both frequency resources. This deviation is calculated based on the measured interference from the downlink reference signals, allowing the device to dynamically adapt its uplink transmission power to mitigate interference effects. The second uplink reference signal is similarly transmitted with a power level adjusted according to the interference conditions. This approach improves communication reliability by optimizing power allocation in response to varying interference levels across different frequency resources.
15. The wireless device according to claim 14 , wherein the second transmission power deviates from an uplink transmit power level set by the network node, based on the first and second interference level indications.
A wireless device adjusts its transmission power dynamically to mitigate interference in a wireless communication network. The device receives interference level indications from neighboring nodes, which reflect the interference experienced by those nodes due to the device's transmissions. The device then determines a second transmission power level that deviates from the uplink transmit power level set by the network node, based on these interference level indications. This deviation helps reduce interference to neighboring nodes while maintaining communication quality. The device may also adjust its transmission power based on additional factors, such as signal quality measurements or network conditions, to optimize performance. The solution addresses the problem of interference in dense wireless networks, where multiple devices operate in close proximity, leading to degraded performance and reduced capacity. By dynamically adjusting transmission power in response to real-time interference feedback, the device improves overall network efficiency and reliability. The approach is particularly useful in scenarios where static power control methods are insufficient, such as in heterogeneous networks with varying interference levels. The device may also coordinate with the network node to ensure compliance with network policies while minimizing interference.
16. The wireless device according to claim 14 , wherein the first transmission power is further based on a first radio channel path gain for the first frequency resource and the second transmission power is further, based on a second radio channel path gain for the second frequency resource.
A wireless device adjusts transmission power for multiple frequency resources based on radio channel path gains. The device operates in a wireless communication system where frequency resources are allocated for uplink transmissions. The problem addressed is optimizing transmission power to improve communication efficiency and reliability while minimizing interference. The device determines a first transmission power for a first frequency resource and a second transmission power for a second frequency resource. These transmission powers are adjusted based on the respective radio channel path gains for each frequency resource. The path gains reflect the quality of the communication channel, allowing the device to allocate more power to frequency resources with better channel conditions and less power to those with poorer conditions. This dynamic adjustment helps maintain signal quality, reduce interference, and improve overall system performance. The device may also consider other factors, such as interference levels or power constraints, when determining the transmission powers. The solution is particularly useful in environments with varying channel conditions, such as mobile or high-mobility scenarios. By adapting transmission power based on real-time channel measurements, the device ensures efficient use of available frequency resources while maintaining reliable communication links.
17. The wireless device according to claim 14 , wherein the first interference level indication is determined based on a first downlink reference signal.
A wireless device is configured to manage interference in a wireless communication system. The device includes a receiver that obtains a first interference level indication, which is determined based on a first downlink reference signal. This indication helps the device assess interference conditions in the network. The device also includes a transmitter that sends a second interference level indication to a base station, which is determined based on a second downlink reference signal. The device further includes a processor that adjusts transmission parameters, such as power or modulation scheme, based on the interference level indications to optimize communication performance. The device may also receive a third interference level indication from the base station, which is determined based on an uplink reference signal, to further refine interference management. The system aims to improve signal quality and reduce interference in wireless communications by dynamically adjusting transmission parameters based on real-time interference measurements.
18. The wireless device according to claim 14 , wherein the second interference level indication is determined based on a second downlink reference signal.
A wireless device is configured to manage interference in a wireless communication system by determining and utilizing interference level indications. The device operates in a network where multiple cells or devices may cause interference, particularly in scenarios involving frequency reuse or shared spectrum access. The device includes a receiver to obtain a first interference level indication from a serving cell, which represents interference experienced by the serving cell. Additionally, the device determines a second interference level indication based on a second downlink reference signal, which may be transmitted by a neighboring cell or another interfering source. This second indication reflects interference experienced by the device itself or other network entities. The device then adjusts its transmission parameters, such as power, modulation scheme, or resource allocation, based on these interference level indications to mitigate interference and improve communication quality. The second downlink reference signal may include a dedicated reference signal or a shared reference signal used for interference estimation. The device may also report the determined interference levels to the network for further optimization. This approach enhances spectral efficiency and reliability in dense or heterogeneous wireless networks.
19. The wireless device according to claim 14 , wherein the first transmission power is equal to or lower than the second transmission power if the first interference level indication indicates a higher interference level than the second interference level indication.
A wireless communication system adjusts transmission power based on interference levels to improve signal quality and reduce interference in a shared frequency band. The system includes a wireless device that receives interference level indications from neighboring devices, where each indication reflects the interference experienced by those devices. The wireless device compares these interference levels and adjusts its transmission power accordingly. Specifically, if the first interference level indication is higher than the second, the wireless device sets its first transmission power to be equal to or lower than the second transmission power. This ensures that devices experiencing higher interference reduce their transmission power, minimizing further degradation of signal quality in the network. The system may also include mechanisms to dynamically update transmission power based on real-time interference measurements, ensuring efficient spectrum utilization while maintaining reliable communication links. The invention is particularly useful in dense wireless networks where interference management is critical for performance optimization.
20. A network node configured for communicating with a wireless device in a wireless communication network, the wireless communication network employing time and frequency multiplexing, the network node comprising: communication circuitry configured for communicating with the wireless device; and processing circuitry operatively associated with the communication circuitry and configured to: receive, from the wireless device, a first uplink reference signal on a first frequency resource with a first received signal strength; receive, from the wireless device, a second uplink reference signal on a second frequency resource with a second received signal strength; and schedule a downlink data transmission to the wireless device on one or more of the first and second frequency resources, based on the first and second received signal strengths in relation to corresponding expected received signal strengths for the first and second uplink reference signals; wherein scheduling the downlink data transmission to the wireless device on one or more of the first and second frequency resources comprises: inferring the presence or the amount of interference at the wireless device on one or both the first and second frequency resources, based on comparing the first and second received signal strengths to the corresponding expected signal strengths, the corresponding expected signal strengths being based on one or more transmit power levels set by the network node for transmission by the wireless device of the first and second uplink reference signals, and wherein the wireless device is operative to deviate from the one or more set transmit power levels responsive to the presence or the amount of interference on the first and second frequency resources; and controlling a downlink resource allocation for the downlink data transmission in dependence on the inferred presence or amount of interference.
A network node in a wireless communication system uses time and frequency multiplexing to manage communication with wireless devices. The node includes communication and processing circuitry to receive uplink reference signals from a wireless device on different frequency resources. The first uplink reference signal is received on a first frequency resource with a first signal strength, and the second uplink reference signal is received on a second frequency resource with a second signal strength. The node schedules downlink data transmissions to the wireless device based on these received signal strengths compared to expected signal strengths, which are determined from predefined transmit power levels set by the network node for the uplink reference signals. The wireless device may adjust its transmit power in response to interference on the frequency resources. By comparing the actual received signal strengths to the expected values, the network node infers the presence or severity of interference on the frequency resources. This inference guides the downlink resource allocation, ensuring data is transmitted on frequency resources with minimal interference, thereby improving communication reliability and efficiency. The system dynamically adapts to varying interference conditions to optimize downlink transmissions.
21. The network node according to claim 20 , wherein the processing circuitry is configured to schedule the downlink data transmission by adapting a beamforming for the downlink data transmission, based on the first and second received signal strengths in relation to the corresponding expected received signal strengths.
A network node in a wireless communication system is configured to optimize downlink data transmission by dynamically adjusting beamforming parameters. The node receives signal strength measurements from a user device, including a first received signal strength for a downlink transmission and a second received signal strength for an uplink transmission. The node compares these measured strengths to expected signal strengths, which are predetermined values or estimates for ideal conditions. Based on this comparison, the node adapts the beamforming configuration for subsequent downlink transmissions to improve signal quality and reliability. The adaptation may involve adjusting beam direction, width, or power allocation to compensate for discrepancies between measured and expected signal strengths. This approach enhances communication efficiency by dynamically aligning beamforming with actual channel conditions, reducing interference and improving data throughput. The solution is particularly useful in environments with variable signal propagation, such as urban or indoor settings, where static beamforming may be suboptimal. The network node may be part of a base station or access point, and the user device could be a smartphone, IoT device, or other wireless terminal. The system leverages real-time feedback to maintain robust communication links under changing conditions.
22. The network node according to claim 20 , wherein the processing circuitry is configured to schedule the downlink data transmission by determining a transmission power for the downlink data transmission, based on the first and second received signal strengths in relation to the corresponding expected received signal strengths.
A network node in a wireless communication system is configured to manage downlink data transmissions to a user equipment (UE) by optimizing transmission power based on signal strength measurements. The node receives first and second signal strength measurements from the UE, corresponding to signals transmitted by the node and an interfering node, respectively. These measurements are compared to expected signal strengths to assess signal quality and interference conditions. The node then determines an appropriate transmission power for downlink data to the UE, balancing signal quality and interference mitigation. This approach ensures efficient resource utilization while maintaining reliable communication links. The node may also adjust transmission parameters, such as modulation and coding schemes, based on the signal strength analysis to further optimize performance. The solution addresses challenges in dynamic wireless environments where interference and signal conditions vary, improving data throughput and reliability.
23. The network node according to claim 20 , wherein the processing circuitry is configured to schedule the downlink data transmission by determining a modulation and coding scheme, based on the first and second received signal strengths in relation to the corresponding expected received signal strengths.
A network node in a wireless communication system is configured to optimize downlink data transmission scheduling by dynamically adjusting modulation and coding schemes based on signal strength measurements. The node receives first and second signal strength measurements from a user device, corresponding to signals transmitted by the node and an interfering node, respectively. These measurements are compared to expected signal strengths to assess channel conditions. The processing circuitry schedules downlink transmissions by selecting a modulation and coding scheme that balances throughput and reliability, considering both the desired signal strength and interference levels. This adaptive approach improves data transmission efficiency by dynamically adapting to varying signal conditions, reducing errors, and maximizing spectral efficiency. The solution addresses challenges in wireless networks where interference and signal variability degrade performance, particularly in dense deployments or high-mobility scenarios. By leveraging real-time signal strength feedback, the node optimizes resource allocation without requiring extensive coordination with neighboring nodes, simplifying network management while enhancing user experience. The technique is applicable to cellular networks, Wi-Fi, and other wireless systems where interference mitigation and adaptive modulation are critical.
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February 2, 2016
November 26, 2019
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